3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver 16-SOIC 0 to 70
Texas Instruments
Texas Instruments - SN75C3221DBRG4
$1.08 - $1.21
Texas Instruments - SN75C3221PW
$0.85 - $3.19
Texas Instruments - SN75C3221
$0.84 - $39.30
Texas Instruments - SN75C3221DBR
$1.07 - $39.30
Texas Instruments - SN75C3221PWE4
$1.01 - $3.19
Texas Instruments - SN75C3221PWRG4
$0.84 - $1.27